document.write( "Question 119672: A club treasurer has $28.45 consisting of nickles, dimes, and quarters. She has 9 more nickles than dimes and three times as many dimes as quarters. How many does she have of each coin?\r
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document.write( "She has ____ nickles, ____ dimes, and ____ quarters. \n" );
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Algebra.Com's Answer #87722 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A club treasurer has $28.45 consisting of nickles, dimes, and quarters. She has 9 more nickles than dimes and three times as many dimes as quarters. How many does she have of each coin? \n" ); document.write( "--------------------------- \n" ); document.write( "Let # of quarters be \"x\"; Value is 25x cents \n" ); document.write( "# of dimes is \"3x\"; Value is 10*3x = 30x cents \n" ); document.write( "# of nickels is \"3x+9\" ; Value is 5(3x+9) = 15x+45 cents \n" ); document.write( "-------------------------------- \n" ); document.write( "EQUATION: \n" ); document.write( "value + value + value = 2845 cents \n" ); document.write( "25x + 30x + 15x+45 = 2845 \n" ); document.write( "70x = 2800 \n" ); document.write( "x = 40 (# of quarters) \n" ); document.write( "3x = 120 (# of dimes) \n" ); document.write( "3x+9 = 129 (# of nickels) \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |